122611201 has 4 divisors (see below), whose sum is σ = 123875332. Its totient is φ = 121347072.

The previous prime is 122611147. The next prime is 122611219. The reversal of 122611201 is 102116221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102116221 = 29 ⋅3521249.

It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 92140801 = 5520^2 + 9599^2 .

It is a cyclic number.

It is not a de Polignac number, because 122611201 - 2⁹ = 122610689 is a prime.

It is a super-2 number, since 2×122611201² = 30067013221324802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122611001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631920 + ... + 632113.

It is an arithmetic number, because the mean of its divisors is an integer number (30968833).

Almost surely, 2^122611201 is an apocalyptic number.

It is an amenable number.

122611201 is a deficient number, since it is larger than the sum of its proper divisors (1264131).

122611201 is an equidigital number, since it uses as much as digits as its factorization.

122611201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264130.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 122611201 is about 11072.9942201737. The cubic root of 122611201 is about 496.7944271919.

Adding to 122611201 its reverse (102116221), we get a palindrome (224727422).

The spelling of 122611201 in words is "one hundred twenty-two million, six hundred eleven thousand, two hundred one".